The first ejaculation. Ejaculation often occurs spontaneously during sleep and is called nocturnal emission.

Secular Trend

Observed and industrialized countries, a pattern in which the average age of puberty declines across decades.

Emotional Tone

The degree to which a person experiences a sense of well-being verses depression and anxiety.

Formal Operations

In Piaget's terms, a kind of mental operation in which all possible combinations are considered in solving a problem. Consequently, each partial link is a grouped in relation to the whole. In other words, reasoning moves continually as a function of a structured whole.

Sociocognitive conflict

Cognitive conflict that is rooted in social experience.

Morality of Justice

A morality that emphasizes issues of rightness, fairness, and equality.

Morality Of Care

A morality that stresses relationships, compassion, and social obligations.